Nigels Weather Island
| Trefor Tide Tables |
| (All times are shown in GMT) |
| Day | Tide | Time | Height | Day | Tide | Time | Height | Day | Tide | Time | Height |
| Wednesday | Low | 02:04 | 1.17m | Wednesday | High | 07:32 | 4.42m | Wednesday | Low | 14:23 | 0.75m |
| Wednesday | High | 20:01 | 4.38m | Thursday | Low | 02:39 | 0.84m | Thursday | High | 08:07 | 4.74m |
| Thursday | Low | 14:58 | 0.50m | Thursday | High | 20:33 | 4.64m | Friday | Low | 03:15 | 0.56m |
| Friday | High | 08:44 | 4.98m | Friday | Low | 15:34 | 0.33m | Friday | High | 21:08 | 4.84m |
| Saturday | Low | 03:52 | 0.38m | Saturday | High | 09:22 | 5.12m | Saturday | Low | 16:12 | 0.28m |
| Saturday | High | 21:44 | 4.93m | Sunday | Low | 04:32 | 0.32m | Sunday | High | 10:03 | 5.11m |
| Sunday | Low | 16:53 | 0.36m | Sunday | High | 22:24 | 4.90m | Monday | Low | 05:18 | 0.39m |
| Monday | High | 10:48 | 4.95m | Monday | Low | 17:39 | 0.58m | Monday | High | 23:07 | 4.75m |
| Tuesday | Low | 06:08 | 0.57m | Tuesday | High | 11:39 | 4.64m | Tuesday | Low | 18:30 | 0.91m |
